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Dual Serial / 1 Parallel Ports Expansion Unit

S.M. VIDEO · Serial Parallel Interface
Platform, category and status for this entry were derived automatically from the source list and have not yet been checked by hand.
No photographs catalogued for Dual Serial / 1 Parallel Ports Expansion Unit yet
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Catalogue IDHW-0409
ManufacturerS.M. VIDEO
Person or teamShon McCallum & Minh Ta
TypeSerial Parallel Interface (Interface)
Connects viaExternal Expansion Bus, no software drivers required - contained on eproms
PlatformADAM
StatusReleased
SourceCollectors DB v1.00 Master

Notes

An expansion unit giving the ADAM two serial ports and a parallel port.

What they are for

  • Serial: a modem, and a terminal or modern computer - which is how software moves on and off the machine.
  • Parallel: any standard printer of the period, in place of Coleco's daisy wheel, which is slower, louder and carries the system's power supply.

Why that combination recurs

  • Two serial and one parallel is exactly what Micro Innovations' MIB3 offered, what Eric Pearson's MIB238 rebuilt decades later, and what Lundy's comm panels bring out through the case.
  • Everyone building for this machine arrived at the same three ports, which says something about what an ADAM was actually used for once people had one.